Base | Representation |
---|---|
bin | 1001010011100101111011… |
… | …11110101101010111000011 |
3 | 2200110101020000200122211101 |
4 | 10221302331332231113003 |
5 | 10140242103322440231 |
6 | 111305115412555231 |
7 | 4211335123632052 |
oct | 451627576552703 |
9 | 80411200618741 |
10 | 20464411530691 |
11 | 657a9a9891827 |
12 | 2366182022b17 |
13 | b55a2a31b73b |
14 | 50a6a8b50399 |
15 | 2574d6447661 |
hex | 129cbdfad5c3 |
20464411530691 has 8 divisors (see below), whose sum is σ = 21547895138000. Its totient is φ = 19381568855040.
The previous prime is 20464411530659. The next prime is 20464411530697. The reversal of 20464411530691 is 19603511446402.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 20464411530691 - 25 = 20464411530659 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (20464411530697) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 160167366 + ... + 160295083.
It is an arithmetic number, because the mean of its divisors is an integer number (2693486892250).
Almost surely, 220464411530691 is an apocalyptic number.
20464411530691 is the 2611795-th hex number.
20464411530691 is a deficient number, since it is larger than the sum of its proper divisors (1083483607309).
20464411530691 is a wasteful number, since it uses less digits than its factorization.
20464411530691 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 320465829.
The product of its (nonzero) digits is 622080, while the sum is 46.
The spelling of 20464411530691 in words is "twenty trillion, four hundred sixty-four billion, four hundred eleven million, five hundred thirty thousand, six hundred ninety-one".
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